:root {
    --primary-text: #111111;
    --secondary-text: #555555;
    --background-white: #ffffff;
    --border-gray: #cccccc;
    --background-accent: #f7f7f7;
    --button-bg: #222222;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background-white);
    color: var(--primary-text);
    text-align: center;
    line-height: 1.6;
}

.header {
    padding: 30px 0 20px 0;
    border-bottom: 1px solid var(--border-gray);
    background-color: white;
}
.logo {
    max-width: 480px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.hero-content {
    min-height: 40vh; 
    display: flex;
    align-items: center; 
    justify-content: center;
    padding: 40px 20px;
}

.container {
    max-width: 800px;
}

.hero-content h1 {
    font-size: 2.1em;
    color: #2c3e50;
    margin-bottom: 10px;
}

.subtext {
    font-size: 1.6em;
    color: var(--secondary-text);
    margin-bottom: 10px;
}

.footer {
    padding: 20px;
    background-color: var(--accent-gray);
    color: var(--primary-text);
    font-size: 0.9em;
    border-top: 1px solid #ddd;
}

@media (max-width: 768px) {
    .logo {
        max-width: 200px;
    }
    .hero-content h1 {
        font-size: 2.1em;
    }
    .subtext {
        font-size: 1em;
    }
}